Reciprocating pump



FIG. 1 is a perspective view of a reciprocating pump showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a perspective view thereof in a configuration of use.

The broken lines are included for the purpose of illustrating portions of the reciprocating pump that form no part of the claimed design. 

CLAIM The ornamental design for a reciprocating pump, as shown and described. 